Wood duck, upland plover, least tern, Wilson tern, roseate tern, black skimmer, oystercatcher, and numerous other littoral species.

The refuge is home to endangered species like the Brown pelican (the Louisiana state bird), the least tern, and piping plover.

Crews focused on three especially sensitive nesting areas for shore birds, including snowy plovers and least terns, said a state Fish and Wildlife Department spokeswoman.